Question: who  is the human spacefligh for member of the crew  of Christa McAuliffe?
Paraphrase: who is the human spacefligh for part of the team of Christa McAuliffe?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q229674 wdt:P5096 ?obj . ?obj wdt:P31 wd:Q752783 } 
Answer: STS-51-L